*{margin: 0; padding: 0}
body,html{position: relative; height: 100%; font-family: PingFangSC-Regular, sans-serif; -webkit-text-size-adjust: 100% !important;text-size-adjust: 100% !important;-moz-text-size-adjust: 100% !important;}
li{list-style:none;}
img{border:none; max-width: 100%}
a{border: none;}
/*默认参照1920*/
html {
  font-size: 16px;
}
/*适配1280及以下*/
@media screen and (max-width: 1280px){
  html {
    font-size: 11px !important;
  }
}
/*适配1280-1366*/
@media screen and (min-width: 1281px) and (max-width: 1366px) {
  html{
    font-size: 11px !important;
  }
}
/*适配1366-1440*/
@media screen and (min-width: 1367px) and (max-width: 1440px) {
  html{
    font-size: 12px !important;
  }
}
/*适配1440-1680*/
@media screen and (min-width: 1441px) and (max-width: 1680px) {
  html{
    font-size: 14px !important;
  }
}
/*适配1680-1920*/
@media screen and (min-width: 1681px) and (max-width: 1920px) {
  html{
    font-size: 16px !important;
  }
}
/*适配1920-2560*/
@media screen and (min-width: 1921px) and (max-width: 2560px) {
  html{
    font-size: 21px !important;
  }
}
/*适配2560-3840*/
@media screen and (min-width: 2561px) and (max-width: 3840px) {
  html{
    font-size: 32px !important;
  }
}
@media screen and (min-width: 3841px){
  html {
    font-size: 32px !important;
  }
}
